Why it works: Apple and cider are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 1,238 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓
Tomato Chutney
Ingredients
Directions
Prepare
Chop the tomatoes and sprinkle ½ cup coarse sea salt over them. Let them drain for 24 hours.
Add the chopped onions, apples, red peppers, and ginger to the drained tomatoes.
Cook
Put the spices in a bag and add the brown sugar.
Cover the mixture with cider vinegar and let it simmer for 4 hours.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Apple + cidertop 2% of all pairsSmell alikemoderateCooked together1,238 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + gingertop 9% of all pairsSmell alikestrongCooked together6,800 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + gingertop 9% of all pairsSmell alikemoderateCooked together7,595 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Form the bulk of the chutney and provide most of its moisture and body.
- Brown sugar
- Adds sweetness and helps thicken the chutney as it simmers.
- Cider vinegar
- Adds acidity that balances sweetness and helps preserve the chutney.
- Ginger
- Contributes warm aroma and a sharp, peppery bite.
- Onions
- Add savory depth and soften into the body of the chutney during cooking.
- Raisins
- Add concentrated sweetness and chewy texture.
The step that matters
Draining the salted tomatoes. Salt draws water out of the tomatoes by osmosis. Skipping or shortening the 24-hour drain leaves extra liquid that dilutes the flavour and makes the chutney runny after simmering.
Swap the raisin
How well each one fits the dish's main ingredients (tomato, apple, onion, pepper, sugar, ginger, cider):
- Plumfits better
- Mangofits better
- Cherryfits better
- Raisinthe original
Fit is the average pairing score against tomato, apple, onion, pepper, sugar, ginger, cider. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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